Semi-nonnegative matrix factorization with global statistical consistency for collaborative filtering.
Hao MaHaixuan YangIrwin KingMichael R. LyuPublished in: CIKM (2009)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- collaborative filtering
- recommender systems
- probabilistic latent semantic indexing
- negative matrix factorization
- active set
- data representation
- nonnegative matrix
- least squares
- low rank
- spectral clustering
- document clustering
- machine learning
- missing data
- text categorization
- dimensionality reduction
- sparsity constraints
- active learning
- pairwise
- support vector